Anterior Quadratus Lumborum Block at the Lateral Supra-Arcuate Ligament versus Transmuscular Quadratus Lumborum Block for Analgesia after Elective Cesarean Section: A Randomized Controlled Trial. - Guo, Min; Lei, Bo; Li, Huili; Gao, Xiaoru; Zhang, Tianshu; Liang, Ziwei; Wang, Yun; Wang, Lei (Journal of Clinical Medicine, 2022)